117 lines
6.1 KiB
QML
117 lines
6.1 KiB
QML
/**
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* Battery Buddy, a Sailfish application to prolong battery lifetime
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*
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* Copyright (C) 2019-2022 Matti Viljanen
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*
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* Battery Buddy is free software: you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* Battery Buddy is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* See the GNU General Public License for more details. You should have received a copy of the GNU
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* General Public License along with Battery Buddy. If not, see <http://www.gnu.org/licenses/>.
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*
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* Author: Matti Viljanen
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*/
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import QtQuick 2.6
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import Sailfish.Silica 1.0
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import "../components"
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Page {
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id: infoPage
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allowedOrientations: Orientation.Portrait | Orientation.Landscape | Orientation.LandscapeInverted
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SilicaFlickable {
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id: infoFlickable
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anchors.fill: parent
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contentHeight: header.height + infoColumn.height + Theme.horizontalPageMargin
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VerticalScrollDecorator {
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flickable: infoFlickable
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}
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PageHeader {
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id: header
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title: qsTr("More info")
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}
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Column {
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id: infoColumn
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anchors.top: header.bottom
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width: isPortrait ? (parent.width - 2*Theme.paddingLarge) : (parent.width - 4*Theme.paddingLarge)
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anchors.horizontalCenter: parent.horizontalCenter
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spacing: Theme.paddingMedium
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Label {
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x: Theme.paddingLarge
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text: qsTr("What is Battery Buddy?")
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color: Theme.highlightColor
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font.pixelSize: Theme.fontSizeMedium
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}
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MyLabel {
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text: qsTr("Battery Buddy is a small and simple utility designed to improve the lifetime of the battery.")
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+" "+ qsTr("It simply monitors the battery level and if it has been charged above the limit, it plays a sound and displays a notification.")
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+" "+ qsTr("A different sound is played and notification send when the battery has been discharged under the limit.")
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}
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Label {
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x: Theme.paddingLarge
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text: qsTr("Why does it matter?")
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color: Theme.highlightColor
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font.pixelSize: Theme.fontSizeMedium
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}
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MyLabel {
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text: qsTr("Lithium-based batteries do not last forever. Every charge and discharge wear out the battery a small amount. This is normal and currently unavoidable.")
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+" "+ qsTr("A full charge from 0% to 100% stresses the battery more than, say, charging from 25% to 75%.")
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+" "+ qsTr("Charging and discharging the battery lowers the capacity over time. Small discharge wears out the capacity slower than a deep discharge and a full recharge.")
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}
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Label {
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x: Theme.paddingLarge
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text: qsTr("Is it noticable?")
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color: Theme.highlightColor
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font.pixelSize: Theme.fontSizeMedium
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}
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MyLabel {
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text: qsTr("Yes, it is. If you always let the battery drain down to 0% and then charge it to 100%, your battery may not see 500 charge cycles.")
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+" "+ qsTr("A full charge from 0% to 100% stresses the battery more than, say, charging from 25% to 75%.")
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+" "+ qsTr("If you only let the battery charge go down to 50% and then charge it to 70%, it could last several thousands of cycles!")
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+"\n\n"+ qsTr("Please keep in mind that the numbers are very coarse estimates. There are also other variables that affect the life cycle, such as charge current and battery temperature.")
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}
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Label {
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x: Theme.paddingLarge
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text: qsTr("Why should I care?")
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color: Theme.highlightColor
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font.pixelSize: Theme.fontSizeMedium
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}
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MyLabel {
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text: qsTr("Every battery produced uses a lot of energy and at least some non-renewable resources.")
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+" "+ qsTr("By taking care of your devices battery, you don't have to buy a new battery so soon.")
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+" "+ qsTr("Even better; in some devices the battery is very difficult to replace without braking the device, which means you don't have to pay for the service, either.")
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}
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Label {
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x: Theme.paddingLarge
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text: qsTr("What else can I do?")
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color: Theme.highlightColor
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font.pixelSize: Theme.fontSizeMedium
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}
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MyLabel {
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text: qsTr("Uninstall battery-hungry applications you don't use. Reboot your device every now and then in order to keep it running flawlessly.")
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+"\n\n"+ qsTr("Use flight mode overnight whenever possible in order to cut power usage down. Powering the device off and on again may use a lot more battery than you think!")
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+"\n\n"+ qsTr("Don't use your phone in hot or cold environments. In the winter keep the phone in your pocket near your body (but take note of the moisture) and use a handsfree device. Extreme temperatures are bad for the battery.")
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}
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Label {
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x: Theme.paddingLarge
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text: qsTr("I want to know more!")
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color: Theme.highlightColor
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font.pixelSize: Theme.fontSizeMedium
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}
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MyLabel {
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text: qsTr("Great! There are a lot of articles to read and papers to study, so click the link to begin!")
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}
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Button {
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id: lowButton
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anchors.horizontalCenter: parent.horizontalCenter
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text: "Google Search"
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onClicked: Qt.openUrlExternally("https://www.google.com/search?q=How+to+prolong+lithium-based+battery+life%3F")
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}
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}
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}
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}
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